jackc/pgx · error

cannot scan empty string into %T

Error message

cannot scan empty string into %T

What it means

Error "cannot scan empty string into %T" thrown in jackc/pgx.

Source

Thrown at pgtype/bool.go:273

	p, ok := (dst).(*bool)
	if !ok {
		return ErrScanTargetTypeChanged
	}

	*p = src[0] == 1

	return nil
}

type scanPlanTextAnyToBool struct{}

func (scanPlanTextAnyToBool) Scan(src []byte, dst any) error {
	if src == nil {
		return fmt.Errorf("cannot scan NULL into %T", dst)
	}

	if len(src) == 0 {
		return fmt.Errorf("cannot scan empty string into %T", dst)
	}

	p, ok := (dst).(*bool)
	if !ok {
		return ErrScanTargetTypeChanged
	}

	v, err := planTextToBool(src)
	if err != nil {
		return err
	}

	*p = v

	return nil
}

type scanPlanBinaryBoolToBoolScanner struct{}

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/bool.go:273 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of jackc/pgx@ec1a0befd2 (2026-08-04). Data as JSON: /data/errors/06b9f48c51c7d67f.json. Report an issue: GitHub.